Interesting score
The score seemed adequate -- overdone by later standards, but appropriate for the time. What I was intrigued about was some of its choices. For instance, a few bars of Rule, Britannia while the two remaining sane men are chatting on the hill, talking about their civvy lives. Then God Save the King when the Sergeant sits down in the grave he has just dug.
Then at the very end Rule, Britannia again! It must have been less strange in the 30s, with the British Empire still reasonably intact. But given that the film was quite the opposite of glorious, still a strange choice.